Year	constant 2010 US$
1975	640669047.466013
1976	708582547.07439
1977	770804512.616266
1978	868880414.864422
1979	977184568.877411
1980	996431324.828481
1981	977514529.09678
1982	930634958.962002
1983	868577964.649886
1984	931844759.820143
1985	1092527554.55967
1986	1168194737.48647
1987	1170449367.97299
1988	1275509081.88075
1989	1596407249.9155
1990	1953966859.43366
1991	2148662800.37527
1992	2121113333.15908
1993	2071264565.04619
1994	2119975317.60729
1995	2479114967.53863
1996	2613645817.51539
1997	2965202012.27313
1998	3027077323.33834
1999	3028267233.16652
2000	2988911409.59576
2001	2855534949.75082
2002	2996974380.67028
2003	3036893191.4284
2004	3130302480.44862
2005	3467607498.15109
2006	4065703010.51262
2007	4675296781.38247
2008	5482184901.0617
2009	5785507355.02065
2010	6284159296.9854
2011	6779152159.66941
2012	6687317210.15111
2013	7362431731.8035
2014	7607750645.9198
2015	7911266451.3459
2016	8088491976.35158
2017	8614609718.88774
2018	8951638357.8328